x+1/x=? if x =1-root2 pls helpppp
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Answer:
-2√2
Step-by-step explanation:
x=1-√2
1/x=1/(1-√2)=(1+√2)/(1+√2)(1-√2)=(1+√2)/-1=-(1+√2)
x+1/x=1-√2+(-1-√2)=1-√2-1-√2=-2√2
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